Finding the Third Proportional to 60,880 and 89,036

Step by Step Solution

1. Step 1: Write the proportion equation
   60,880 : 89,036 = 89,036 : x
2. Step 2: Convert to fraction form
   60,880/89,036 = 89,036/x
3. Step 3: Cross multiply
   60,880x = 89,036 × 89,036
4. Step 4: Simplify right side
   60,880x = 7,927,409,296
5. Step 5: Solve for x
   x = 7,927,409,296/60,880
6. Step 6: Final answer
   x = 130,213.69